Figure Q14.30 shows a glass cylinder containing four liquids of different densities. From top to bottom, the

Question:

Figure Q14.30 shows a glass cylinder containing four liquids of different densities. From top to bottom, the liquids are oil (orange), water (yellow), salt water (green), and mercury (silver). The cylinder also contains, from top to bottom, a Ping-Pong ball, a piece of wood, an egg, and a steel ball.
(a) Which of these liquids has the lowest density, and which has the greatest?
(b) What can you conclude about the density of each object?